frameworks/projects/Core/src/main/royale/org/apache/royale/utils/cssclasslist/removeStyles.as

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//
//  Licensed to the Apache Software Foundation (ASF) under one or more
//  contributor license agreements.  See the NOTICE file distributed with
//  this work for additional information regarding copyright ownership.
//  The ASF licenses this file to You under the Apache License, Version 2.0
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//  the License.  You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
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//  Unless required by applicable law or agreed to in writing, software
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////////////////////////////////////////////////////////////////////////////////
package org.apache.royale.utils.cssclasslist
{
    import org.apache.royale.core.IUIBase;

    /**
     *  Removes one or more styles from the component. Removing a class that does not 
     *  exist, does not throw any error.
     * 
     *  Use of these utility functions should not be mixed with modifying the component's
     *  className property at runtime.  Also the component's className property will not
     *  reflect modifications made with this API.
     * 
     *  @param component The component that will have selectors added or removed.  
     * 
     *  @param value A String with the style (or styles separated by an space) to 
     *  remove from the component. If the string is empty doesn't perform any action.
     *  
     *  @langversion 3.0
     *  @productversion Royale 0.9.3
     *  @royaleignorecoercion HTMLElement
     */
    public function removeStyles(component:IUIBase, value:String):void
    {
        if (value == "") return;

        COMPILE::JS
        {
            if (value.indexOf(" ") >= 0)
            {
                var classes:Array = value.split(" ");
                var element:HTMLElement = component.element as HTMLElement
                element.classList.remove.apply(element.classList, classes);
            } else
            {
                component.element.classList.remove(value);
            }
        }
    }
}